Show source history in pretty markdown when clicking button to retrieve latest sources

app.py

@@ -77,6 +77,22 @@ def get_document_filename(document) -> str:
 
     return document_filename
 
+def pretty_source_history_md():
+    unpretty_history = get_metadata()
+    if not unpretty_history:
+        return "Bislang wurden keine Anfragen gestellt."
+    
+    markdown_string = ""
+    for idx, record in enumerate(unpretty_history):
+        markdown_string += f"## Query {idx+1}: `{record['query']}`\n"
+        for filename, author, creation_date, chunk in zip(record["filename"], record["author"], record["creation_date"], record["source_text_chunk"]):
+            # Clean up chunk: remove newlines and trim spaces
+            cleaned_chunk = chunk.replace("\n", " ").replace("\r", " ").strip()
+
+            markdown_string += f"- **Dokument**: {filename}, **Autor(en)**: {author}, **Erstellungsdatum**: {creation_date}\n\n> {cleaned_chunk} \n\n"
+        markdown_string += "---\n"
+    return markdown_string
+
 @tool(response_format="content_and_artifact")
 def retrieve(query: str):
     """Retrieve information related to a query."""
@@ -175,9 +191,9 @@ with gr.Blocks() as demo:
         )
     with gr.Tab("Quellen"):
         gr.Markdown("Hier sind die Quellen")
-        json_output = gr.JSON(label='dictionary')
-        btn = gr.Button("Show Data")
-        btn.click(get_metadata, outputs=json_output)
+        btn = gr.Button("Zuletzt genutzte Quellen anzeigen")
+        source_history = gr.Markdown(pretty_source_history_md())
+        btn.click(pretty_source_history_md, outputs=source_history)
 
 if __name__ == "__main__":
     demo.launch(share=False, server_name="0.0.0.0")